React State Batching and Functional Updates: What Changes in React 18

Q: What is "React State Batching and Functional Updates: What Changes in React 18" about?

React 18 batches all state updates by default. That changes how multiple setState calls behave, and functional updates are the only safe way to depend on previous state.

Q: What topics does "React State Batching and Functional Updates: What Changes in React 18" cover?

This article covers: react state batching, react 18 automatic batching, usestate functional update, react setstate batching, react multiple state updates, react 18 batching.

React 18 batches all state updates by default — not just inside event handlers. That changes how you reason about multiple setState calls, and functional updates are the safe way to depend on previous state.

June 7, 20261 min read3 / 3

Coming soon.

Practice what you just read.

Batching & Re-render Quiz

1 exercise

Keep reading

useState Under the Hood: How React Stores State in a Linked List

4 min read

Why React Hooks Exist: The Problem They Were Built to Solve

3 min read

useReducer Deep Dive: Actions, Dispatch, and the Reducer Pattern

3 min read

PreviousStale Closures in React: Why useState Gives You the Wrong Value Next series useReducer Deep Dive: Actions, Dispatch, and the Reducer Pattern